14402025

Appears in sequences

• Squares of odd square pyramidal numbers.at n=11A014797
• a(n) = ( n*(n + 1)*(2*n + 1)/6 )^2.at n=22A271535
• Odd abundant numbers k for which sigma(k) == 3 (mod 4).at n=17A325311
• Odd numbers k such that sigma(k) > 2*k and A003415(sigma(k)) < k, where A003415 is the arithmetic derivative, and sigma is the sum of divisors function.at n=11A347890
• Obverse convolution (n^2 - 1)**(n^2 - 1); see Comments.at n=5A375051